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CVE-2020-27781

Status Candidate

Overview

User credentials can be manipulated and stolen by Native CephFS consumers of OpenStack Manila, resulting in potential privilege escalation. An Open Stack Manila user can request access to a share to an arbitrary cephx user, including existing users. The access key is retrieved via the interface drivers. Then, all users of the requesting OpenStack project can view the access key. This enables the attacker to target any resource that the user has access to. This can be done to even "admin" users, compromising the ceph administrator. This flaw affects Ceph versions prior to 14.2.16, 15.x prior to 15.2.8, and 16.x prior to 16.2.0.

Related Files

Red Hat Security Advisory 2021-0081-01
Posted Jan 12, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0081-01 - Red Hat Ceph Storage is a scalable, open, software-defined storage platform that combines the most stable version of the Ceph storage system with a Ceph management platform, deployment utilities, and support services. The ceph-ansible package provides Ansible playbooks for installing, maintaining, and upgrading Red Hat Ceph Storage. This package contains a new implementation of the original libtirpc, transport-independent RPC library for NFS-Ganesha. NFS-GANESHA is a NFS Server running in user space. It comes with various back-end modules provided as shared objects to support different file systems and name-spaces.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-25660, CVE-2020-25677, CVE-2020-27781
MD5 | c068aca7baa10eb0923b7197118e8e69
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